Frosted Cameo

How valuable is jewelry stamped West Germany?
I have a cameo pin that I bought years ago in a antique store. Paid very little for it. It has a black background with a frosted cameo on it. It is edged in gold paint(?) design. The pinback is very basic(gold tone) and stamped West Germany. I would prefer answers from people in the vintage jewelry industry, please. Already checked Ebay, I don’t feel that is a good judge of what the market will bear.
Without any visual aid it is impossible to tell. The stamp does not tell us anything except that it is probably made in west Germany…but why it does not say “(West) Deutchland” is a mystery to me. It may mean it is a mass produced export piece.
I guess you payed the right amount for it and the price has not increased the last years.
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